CN101119562A - Method for reducing battery consumption using power control of displayer in cellular phone - Google Patents

Method for reducing battery consumption using power control of displayer in cellular phone Download PDF

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Publication number
CN101119562A
CN101119562A CNA2007101368720A CN200710136872A CN101119562A CN 101119562 A CN101119562 A CN 101119562A CN A2007101368720 A CNA2007101368720 A CN A2007101368720A CN 200710136872 A CN200710136872 A CN 200710136872A CN 101119562 A CN101119562 A CN 101119562A
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CN
China
Prior art keywords
calling
lcd
bias light
phone
turn
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2007101368720A
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Chinese (zh)
Inventor
李允万
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CN101119562A publication Critical patent/CN101119562A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0267—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
    • H04W52/027—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)

Abstract

A method for reducing battery consumption using power control of a displayer in a cellular phone is provided to intercept power supplied to the displayer when the cellular phone is in a busy state, so as to control the battery consumption to save battery power. If power is on(S201), a controller controls power supply of a battery to turn on an LCD(Liquid Crystal Display) of a displayer, and turns off a back light(S203). The controller checks whether a call key for originating is inputted through a key input circuit(S205). If so, the controller turns on the back light for a predetermined time, and maintains a turned-on state of the LCD. The controller checks whether a call is formed(S207). If so, the controller intercepts power supplied to the LCD and the back light to turn off the LCD and the back light(S213). If the controller senses a call completion(S215), the controller supplies the power to the LCD to turn on the LCD, and continuously maintains an off-state of the back light.

Description

The method of saving battery by the display of control in the portable telephone
This case be that July 21, application number in 2000 are 00121668.6 the applying date, name is called the dividing an application of Chinese patent application of " method of saving battery by the display in the control portable telephone ".
Technical field
The present invention relates generally to the battery saving in portable telephone, more particularly, relate to by in calling out and turn-off the method that display is saved battery.
Background technology
The basic demand of portable telephone is the long-term use that guarantees battery, if must change battery continually, then the use to portable telephone may be an outstanding restriction.Therefore, developing battery technology, so that design the new heavy-duty battery of the battery that on the life-span, is better than in the correlation technique always.Except the development of battery technology, many researchs of saving the method for the power of battery by the power loss that reduces portable telephone are also being carried out always.
In calling the user keep portable telephone to he/be useful on her ear.Although the user can not notice the display of portable telephone, the display in calling in the existing portable telephone is connected.In this case, although the user can not see the display of looking into portable telephone in calling, display is consume battery power unnecessarily also.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of method of saving battery by the display that is controlled in the portable telephone.Wherein, in calling, turn-off display, to avoid unnecessary power loss.
For reaching above-mentioned purpose of the present invention, provide a kind of by being controlled at the battery-saving method of the display in the portable telephone.This method comprises: check whether the user has imported answering key for calling out to begin to have imported the SEND key or respond incoming call; When set up calling according to SEND key formula answering key, turn-off its display; When this end of calling, connect display.Another kind is to turn-off display through preset time after input SEND key and answering key.
Description of drawings
To make above and other objects of the present invention by the detailed description below in conjunction with accompanying drawing, it is more obvious that feature and advantage become, wherein:
Fig. 1 is the block diagram of expression according to the portable telephone of the embodiment of the invention;
Fig. 2 is a flow chart, and expression is according to the program of embodiments of the invention operation of control LCD in calling out beginning; With
Fig. 3 is a flow chart, and expression is according to the program of embodiments of the invention operation of control LCD in calling out termination.
Embodiment
Below, most preferred embodiment of the present invention will be described with reference to the drawings.Their unnecessary detailed description in the following description, do not describe well-known function or structure in detail, because will blur the present invention.
Fig. 1 represents the block diagram of portable telephone according to an embodiment of the invention.Referring to Fig. 1, controller 111 is controlled the operation of whole portable telephone, supplies with the operating voltage of display specifically according to the present invention.Duplexer 112 receives radio signals from antenna ANT, and the radio signal that will receive is supplied with radio receiver 113.And, the transmission signal that duplexer 112 receives from radio transmitter 115 through antenna ANT emission.Radio receiver 113 provides the input data with data communication mode to controller 111, and provides input audio signal with conversational mode to voice processor 116.Frequency synthesizer 114 produces local oscillated signal, is used for the signal of demodulate reception under the control of controller 111.And frequency synthesizer 114 produces and sends carrier signal, and the transmission carrier signal that will produce is supplied with radio transmitter 115.Radio transmitter 115 will be from speech processor 116 voice signal that receives and the carrier signal mixing that receives from frequency synthesizer 114, and under the control of controller 111 this mixed frequency signal is exported to duplexer 112 with conversational mode.The coding audio signal that voice processor 116 demodulation receive from radio receiver 113, and give loud speaker SPK with the audio signal output of this demodulation through switch 117.Simultaneously, voice processor 116 receives the audio signal of electricity through switch 117 from microphone MIC, and to this electric audio signal coding, gives radio transmitter 115 with the audio signal output of coding.
Ringer 118 produces ring back tone under the control of controller 111 when receiving bell signal.The control program of memory 119 storage controls 111.Memory 119 comprises: the ROM (read-only memory) that is used to store various programs; The NVM (nonvolatile memory) that is used for storing phone number and name; With the RAM (random access memory) that is used for the data that temporary transient stored program implementation produces.
Key inputting device 121, a kind of key matrix has the numerical key and the various function key that are used to dial.Key inputting device 121 produces the key input signal corresponding with user-selected key, and the key input signal that is produced is supplied with controller 111.Display 130 comprises LCD (LCD) 131 and bias light 133.Display 130 shows the operating state of portable telephones, and under the control of controller 111 with its connection/shutoff.
Fig. 2 represents the program according to embodiments of the invention control LCD operation in calling out the beginning process, and Fig. 3 represents the program according to embodiments of the invention control LCD operation in calling out termination procedure.
Referring now to Fig. 1 and 3 most preferred embodiment of the present invention is described.
At first describe how to call out the power that begins process control LCD in detail with reference to figure 2.
When in step 201 energized, connect LCD131 and turn-off the bias light 133 of display 130 at step 203 controller.From the battery (not shown) LCD131 and bias light 133 are supplied with an operating voltage in on-state, and LCD131 and background plate 133 are not supplied with this operating voltage from battery at off state.
Then, in step 205, controller 111 checks whether the user uses key inputting device 121 to import (or depressing) SEND key for calling out beginning.When having imported the SEND key, controller 111 is connected a preset time with bias light 133, and keeps the on-state of LCD131.Otherwise when not importing the SEND key, controller 111 turns back to step 203, with the on-state of maintenance LCD131 and the off state of bias light 133.
After step 205, check whether set up calling at step 207 controller 111.When call setup, controller 111 enters step 213.Alternately, controller 111 can enter step 209 and 211 before step 203.In step 209, controller checks whether preset time is pass by.If determine this preset time mistake in step 211, then controller enters step 213.Here, this scheduled time is defined as dial phone number after to the user with this portable telephone take his/her ear on the required time.Usually, the user depresses the SEND key and is used for calling out beginning, then portable telephone is taken his/her ear on.Can at random determine the time that this operation is required.
In step 213, controller 111 cuts off the operating voltage supplied with to LCD131 and bias light 133 to turn-off LCD131 and bias light 133.So just by reducing since unnecessarily the power loss of driving display 130 saved the power of battery because in calling portable telephone is remained on user's the ear, the user can not notice the display 130 of portable telephone.When display 130 when step 215 user calls out by depressing END bond bundle turn-offs, in step 217, controller 111 connection LCD131 also keep the off state of bias light 133.
Below, be described in detail in the power how the calling termination procedure controls LCD with reference to figure 3.
When in step 301 energized, in step 303, controller is connected LCD131 and is turn-offed the bias light 133 of display 130.Then, in step 305, whether controller 111 is checked to receive and is called out the bell signal that stops.When detecting this bell signal, bias light 133 is connected scheduled times and keep the on-state of LCD131 at step 307 controller 111.Simultaneously, controller 111 produces to call out and stops alarm.Otherwise when not detecting bell signal, controller 111 turns back to step 303, with the on-state of maintenance LCD131 and the off state of bias light 133.
After step 307, check at step 309 controller 111 whether the user uses key inputting device 121 to import the call answering key.When having imported the call answering key, controller 111 enters step 315.Alternately, controller 111 can enter step 311 and 313 before step 315.In step 311, controller 111 checks whether preset time is pass by.If pass by at definite this preset time of step 313, then controller enters step 315.Here, this scheduled time is defined as after dialing phone number up to the user portable telephone is taken his/her ear on the required time.Usually, the user begins to depress the SEND key for calling out, then portable telephone is taken his/her ear on.And can at random determine the time that this operation is required.
In step 315, the operating voltage of controller 111 sever supply LCD131 and bias light 133 is to turn-off LCD131 and bias light 133.So just by reducing since unnecessarily the power loss of driving display 130 saved the power of battery because portable telephone is remained on user's the ear when calling out, the user can not notice the display 130 of portable telephone.
When step 317 user by depressing the END key during terminated call, display 130 turn-offs, and connects LCD131 and keeps the off state of bias light 133 at step 319 controller 111.
Embodiment with reference to the operating voltage of control LCD131 and bias light 133 in calling has described the present invention.Yet when using ear microphone or speaker-phone, this portable telephone can continue to supply with operating voltage to LCD131 in calling.
As mentioned above, the present invention has provided an advantage, and the operating voltage of useless supply display has been saved the power of battery when calling out by being breaking at.
Although represent and described the present invention in conjunction with the most preferred embodiment of determining, one skilled in the art will understand that in form and details and can make various variations, can not break away from the spirit and scope of the present invention that limit by appended claims.

Claims (18)

1. battery-saving method of controlling the display of portable phone may further comprise the steps:
For described display provides LCD; And
After described phone powers up, make described LCD keep connecting, during setting up calling and setting up preset time certainly, expire.
2. the method for claim 1, further comprising the steps of:
The bias light of described LCD is provided; And
If do not call out from powering up, then short of send or receipt of call just makes described bias light keep turn-offing.
3. method as claimed in claim 2, wherein, described phone comprises transmission key, listening key and a plurality of other enter keies, and continue to keep described bias light to turn-off, in two incidents one of them takes place, and described two incidents are to press the bell signal of described transmission key and receipt of call termination.
4. method as claimed in claim 3 also comprises: turn-off described bias light during described during expiration.
5. method as claimed in claim 4 also comprises: connect described LCD when the end of calling set up.
6. method as claimed in claim 5 also comprises: if calling is arranged from powering up, and after nearest calling, short of send or receipt of call just keeps described bias light to turn-off.
7. the method for claim 1, further comprising the steps of:
The bias light of described LCD is provided for described display; And
If calling is arranged from powering up, after nearest calling, short of send or receipt of call just keeps described bias light to turn-off.
8. the method for claim 1, wherein described phone comprises and is respectively applied for transmission key and the listening key that sends with answer calls, and comprises a plurality of other enter keies.
9. the computer program with computer-readable medium can embed program in described computer-readable medium, and described program has and can carry out the instruction that is used to implement the method for claim 1 by processor.
10. portable phone comprises:
Display, described display comprises LCD; And
Processor, described processor is configured to: after described phone powers up, make described LCD keep connecting during setting up calling and setting up preset time certainly and expire.
11. phone as claimed in claim 10 also comprises the bias light of described LCD, wherein said processor is configured to: if do not call out from powering up, short of sending or receipt of call just makes described bias light keep turn-offing.
12. phone as claimed in claim 11, also comprise sending key, listening key and a plurality of other enter keies, wherein, continue to keep bias light to turn-off, in two incidents one of them takes place, and described two incidents are to press the bell signal of described transmission key and receipt of call termination.
13. phone as claimed in claim 12, wherein said processor also is configured to: make described LCD keep connecting during setting up calling and setting up preset time certainly and expire.
14. phone as claimed in claim 13, wherein said processor also is configured to: turn-off described bias light during described during expiration.
15. phone as claimed in claim 14, wherein said processor also is configured to: connect LCD when the described end of calling of having set up.
16. phone as claimed in claim 15, if wherein said processor also is configured to from powering up calling is arranged, after nearest calling, short of send or receipt of call just keeps described bias light to turn-off.
17. phone as claimed in claim 10 comprises the bias light that is used for described LCD, wherein said processor also is configured to: if from powering up calling is arranged, after nearest calling, short of sending or receipt of call just makes bias light keep turn-offing.
18. phone as claimed in claim 10, wherein said processor also are configured to make described LCD to keep connecting, and expire during setting up calling and setting up preset time certainly.
CNA2007101368720A 1999-07-21 2000-07-21 Method for reducing battery consumption using power control of displayer in cellular phone Pending CN101119562A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-1999-0029511A KR100400168B1 (en) 1999-07-21 1999-07-21 Method for saving battery using power control of display unit in a potable phone
KR29511/1999 1999-07-21

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN00121668A Division CN1282190A (en) 1999-07-21 2000-07-21 Battery-saving method through controlling display in portable telephone set

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CN101119562A true CN101119562A (en) 2008-02-06

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CN00121668A Pending CN1282190A (en) 1999-07-21 2000-07-21 Battery-saving method through controlling display in portable telephone set
CNA2007101368720A Pending CN101119562A (en) 1999-07-21 2000-07-21 Method for reducing battery consumption using power control of displayer in cellular phone

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KR (1) KR100400168B1 (en)
CN (2) CN1282190A (en)

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KR100400168B1 (en) 2003-10-01
CN1282190A (en) 2001-01-31
KR20010010553A (en) 2001-02-15
US7415293B1 (en) 2008-08-19

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Application publication date: 20080206